Document Type and Number:
Japanese Patent JPS50115007
Kind Code:
U
Application Number:
JP2478074U
Publication Date:
September 19, 1975
Filing Date:
March 01, 1974
Export Citation:
International Classes:
H04B1/08; G11B5/00; G11B20/02; G11B31/00; H04B1/16; H04B1/20; (IPC1-7): G11B31/00; G11B5/033; H04B1/20
Domestic Patent References:
| JPS506321U | 1975-01-23 | |||
| JP45015180A |